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CEL & Problem starting after fueling
I have a 2007 Mazda 6. I have had problems with the CEL coming on. This has been going on for quite a while now. I took it to Autozone and had them run the codes and two of them were coming up, P2187 was one of them. I don't recall the other one.
The CEL would come on after filling up, but nothing seemed odd with the car starting.
The gas cap has been replaced and the MAF sensor has been cleaned.
Over time, the issue has persisted with the CEL. Now, when I refuel the car, the car won't start, I have to pump the gas to get it to start. It finally starts and idles very rough, but after getting it going, it runs just fine. It starts fine on any given day, runs fine, no problems there.
While trying to troubleshoot, we started the car, took the gas cap off, no change in idle. Then, with the gas cap still off, there was a vacuum hose that connects on the front of the engine (it is a red clip/connector) that appeared to be loose. We pulled back on that connection and the car started idling rough again. It appeared that the part was put on incorrectly - we took it off and put it back on again.
Then, reset the CEL and it was okay for a day. Then it came back on.
The car is out of warranty, of course, and no one can help me with the problem without taking it to the dealer and letting them spend the day with it. It's VERY inconvenient for us, since we are 60 mi away from the dealer. The logical and cost effective thing to do would be to replace that connector/vaccum line and see if that resolves the problem. If not, then I don't know what to do next, without having to go to the mechanic.
Any thoughts or similar issues? I have searched the forums and a few things have come up that it might be, but nothing is definite.
Your help would be appreciated!!